.demo-transition-enter-active, .demo-transition-leave-active {
    transition: opacity 1.5s
}
.demo-transition-enter, .demo-transition-leave-to {
    opacity: 1.5
}

/*2*/

.bounce-enter-active {
    animation: bounce-in .5s;
}
.bounce-leave-active {
    animation: bounce-in .5s reverse;
}
@keyframes bounce-in {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.5);
    }
    100% {
        transform: scale(1);
    }
}
